Midterm 1 Flashcards
mortality rate
the incidence of death in the population in a given period
morbidity rate
number of people affected in relation to the total population in a given time period
pathogenic
capable of causing disease
virulent
extremely poisonous
endemic
occurring frequently in a particular region or population
epidemic
a sudden outbreak of infectious disease that spreads rapidly through the population, affecting a large portion of people
reservoir
a place or population where an infectious agent lives and multiplies, and can infect others
vector
an animal usually an insect or tick that transmits parasitic microorganisms and therefore the disease they cause from person to person or from infected animal to human beings
host
an animal or plant in or upon which a parasite lives
intermediate host
one in which the parasite passes its larval or asexual stage
definitive host
one in which the parasite develops into its sexual stage
enzootic
relating to or denoting a disease that regularly affects animals in a particular district or at a particular season.
epizootic
relating to or denoting a disease that is temporarily prevalent and widespread in an animal population.
nidus
a place in which bacteria have settled and multiplied because of particularly suitable conditions: a focus of infection
zoonosis
an infectious disease of animals that can be transmitted to humans